A Patient Switched from Pressure-Controlled Continuous Mandatory Ventilation (CMV) with Positive
A patient switched from pressure-controlled continuous mandatory ventilation (CMV) with positive end expiratory pressure (PEEP) to pressure-controlled inverse ratio ventilation (PC-IRV) shows a good improvement in PaO2 but a decrease in tissue oxygenation. Which of the following best explains this observation?
A) High mean pressures caused by PC-IRV decreased pulmonary blood flow.
B) Intrinsic PEEP caused by PC-IRV resulted in increased alveolar recruitment.
C) High mean pressures caused by PC-IRV decreased cardiac output.
D) Intrinsic PEEP caused by PC-IRV compressed the pulmonary capillaries.
Correct Answer:
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